#include<stdio.h>
//Monotonically increasing
int main(void)
{
  int a[4],i=0;
  scanf("%i", &i);
  //int i=getchar();
  printf("%d\n", i);

  if(i < 10)
    a[i+1]=20; // redundant
  else
    a[i]=15; // could cause an exception


  for(i=4;i<10;i++)
    a[i]=12; // redundant



  for(i=0;i<10;i++)
    if(i < 4)
      a[i]=20; // redundant
    else
      a[i]=15; // redundant


  return 0;
}
